elongatus, Acanthorhodeus Regan [C. T.] 1908:356 [Annals and Magazine of Natural History (Series 8) v. 2 (no. 10); ref. 14350] Yunnan Fu, China. Syntypes: (several) BMNH 1908.2.27.21-22 (2), MNHN 1923-0001 and 0002 (2), RMNH 10385 [ex BMNH] (1). Type catalog: Bertin & Estève 1948:76 [ref. 19574]. •Valid as Acanthorhodeus elongatus Regan 1908 -- (Wu 1964:217 [ref. 13503]). •In genus Acheilognathus -- (Arai & Akai 1988:207 [ref. 6999]). •Valid as Acheilognathus elongatus (Regan 1908) -- (Chen & Li in Chu & Chen 1989:134 [ref. 13584], Yang et al. 1990:69 [ref. 16186], Yang & Chen 1995:59 [ref. 23555], Zhu 1995:46 [ref. 25213], Kottelat 1998:55 [ref. 23436], Chen in Chen 1998:130 [ref. 23556], Lin in Chen et al. 1998:435 [ref. 23878], Yang et al. 2010:336 [ref. 30786], Yang et al. 2011:163 [ref. 31154], Zhang et al. 2016:67 [ref. 34477], Zhang et al. 2019:214 [ref. 36699]). Current status: Valid as Acheilognathus elongatus (Regan 1908). Acheilognathidae. Distribution: Yangtze River basin, China. Habitat: freshwater.